Light. 1 3/4″ overall. Black anodized aircraft-grade aluminum housing with black textured non-slip silicone sleeve and lanyard hole. White LED. Lumens – up to 30. Runtime – up to 60h. Beam distance – up to 25m. Impact resistant – up to 1m. Water resistant – up to IPX4. Includes black attachment clip. Uses four LR44 batteries (included). Hang packaged.